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肝门部胆管梗阻可由许多病变引起,如结石、炎症、损伤、畸形、肿瘤、结核、硬化性胆管炎、肝癌累及肝门部胆管、肝癌胆管癌栓、胆囊癌累及肝门部胆管、肝门部转移性淋巴结肿大等。采用各种影像学诊断技术的目的在于:(1)确定是否为肝门胆管癌;(2)确定癌肿累及胆管的范围,毗邻器官受浸润,肝脏和淋巴结转移以及腹腔种植等情况。这样可为肿瘤切除可能性的术前评估和治疗方法的选择提供依据。
Hilar bile duct obstruction caused by many diseases, such as stones, inflammation, injury, deformity, cancer, tuberculosis, sclerosing cholangitis, liver cancer involving the hilar bile duct, liver cancer cholangiocarcinoma, gallbladder cancer involving the hilar bile duct, hilar Department of metastatic lymph nodes and so on. The purpose of using a variety of imaging diagnostic techniques is to: (1) determine whether it is hilar cholangiocarcinoma; (2) determine the extent of the cancerous involvement of the bile duct, infiltration of adjacent organs, liver and lymph node metastasis, and intraperitoneal implantation. This provides a basis for the preoperative evaluation of the possibility of tumor resection and the choice of treatment methods.